Home / 98,862,407.80-148,293,611.70-66,529,799.80

Finding the Fourth Proportional to 98,862,407.80, 148,293,611.70 and 66,529,799.80

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Solution

The fourth proportional to 98,862,407.80, 148,293,611.70 and 66,529,799.80 is: 99,794,699.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,862,407.80 : 148,293,611.70 = 66,529,799.80 : x
  2. Step 2: Convert to fraction form
    98,862,407.80/148,293,611.70 = 66,529,799.80/x
  3. Step 3: Cross multiply
    98,862,407.80x = 148,293,611.70 × 66,529,799.80
  4. Step 4: Simplify right side
    98,862,407.80x = 9,865,944,298,019,936
  5. Step 5: Solve for x
    x = 9,865,944,298,019,936/98,862,407.80
  6. Step 6: Final answer
    x = 99,794,699.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.